Feature: Inform user that he needs to be logged in to purchase a ticket

VERSION

@@ -1 +1 @@
-0.3.1
+0.3.2

src/ezgg_lan_manager/pages/BuyTicketPage.py

@@ -19,14 +19,18 @@ class BuyTicketPage(Component):
     popup_message: str = ""
     is_popup_success: bool = False
     is_buying_enabled: bool = False
+    is_user_logged_in: bool = False
 
     @event.on_populate
     async def on_populate(self) -> None:
+        self.session[SessionStorage].subscribe_to_logged_in_or_out_event(str(self.__class__), self.on_populate)
         await self.session.set_title(f"{self.session[ConfigurationService].get_lan_info().name} - Ticket kaufen")
         self.user = await self.session[UserService].get_user(self.session[SessionStorage].user_id)
         if self.user is None:  # No user logged in
             self.is_buying_enabled = False
+            self.is_user_logged_in = False
         else:  # User is logged in
+            self.is_user_logged_in = True
             possible_ticket = await self.session[TicketingService].get_user_ticket(self.user.user_id)
             self.user_ticket = possible_ticket
             if possible_ticket is not None:  # User already has a ticket
@@ -67,17 +71,29 @@ class BuyTicketPage(Component):
 
     def build(self) -> Component:
         ticket_infos = self.session[ConfigurationService].get_ticket_info()
-        header = Text(
-            "Tickets & Preise",
-            style=TextStyle(
-                fill=self.session.theme.background_color,
-                font_size=1.2
+        header = Column(
+            Text(
+                "Tickets & Preise",
+                style=TextStyle(
+                    fill=self.session.theme.background_color,
+                    font_size=1.2
+                ),
+                margin_top=2,
+                align_x=0.5
             ),
-            margin_top=2,
-            margin_bottom=2,
-            align_x=0.5
+            spacing=0.2
         )
 
+        if not self.is_user_logged_in:
+            header.add(Text(
+                "Du musst eingeloggt sein\num ein Ticket zu kaufen",
+                style=TextStyle(
+                    fill=self.session.theme.background_color,
+                    font_size=0.6
+                ),
+                align_x=0.5
+            ))
+
         return Column(
             MainViewContentBox(
                 Column(